<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>局域网内更新固件</title>
    <meta name="author" content="Tr.">
    <!-- Date: 2022-01-11 -->
</head>
<body>

<form id="form1" enctype="multipart/form-data" method="post" action="cgi-bin/upload.cgi">
    <div class="row">
          <label for="fileToUpload">Select a File to Upload</label>
    <input type="file" name="fileToUpload" id="fileToUpload" onchange="fileSelected();"
        accept=".deb"/>
        </div>
    <div id="fileName"></div>
    <div id="fileSize"></div>
    <div id="fileType"></div>
    <div class="row">
    <input type="button" onclick="uploadFile()" value="Upload" />
        </div>
    <div id="progressNumber"></div>
</form>
<div></div>
<div><input type="button" onclick="getVer()" value="获取版本号" />
  调试:<span id="ver"></span>
<div></div>
<div><input type="button" onclick="updateVer()" value="升级版本" /></div>


</body>

<script type="text/javascript">
  function getVer()
  {
    var xmlhttp;

    if(window.XMLHttpRequest)
    {
        //code for IE7+,Firefox,Chrome,Opera,Safari
        xmlhttp=new XMLHttpRequest();
    }
    else
    {
        //code for IE6,IE5
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    xmlhttp.onreadystatechange=function()
    {
        if(xmlhttp.readyState==4 && xmlhttp.status==200)
        {
          document.getElementById("ver").innerHTML=xmlhttp.responseText;
            // alert(xmlhttp.responseText); 
        }
    }
    xmlhttp.open("POST","cgi-bin/test.sh", true);
    xmlhttp.send("GETVER");
  }

  setTimeout(getVer, 100);

  function updateVer()
  {
    var xmlhttp;

    if(window.XMLHttpRequest)
    {
        //code for IE7+,Firefox,Chrome,Opera,Safari
        xmlhttp=new XMLHttpRequest();
    }
    else
    {
        //code for IE6,IE5
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    xmlhttp.onreadystatechange=function()
    {
        if(xmlhttp.readyState==4 && xmlhttp.status==200)
        {
          alert(xmlhttp.responseText); 
          getVer();
        }
    }
    xmlhttp.open("POST","cgi-bin/test.sh", true);
    xmlhttp.send("UPDATE");
  }

  function fileSelected() {
    var file = document.getElementById('fileToUpload').files[0];
    if (file) {
      var fileSize = 0;
      if (file.size > 1024 * 1024)
        fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + 'MB';
      else
        fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + 'KB';

      document.getElementById('fileName').innerHTML = 'Name: ' + file.name;
      document.getElementById('fileSize').innerHTML = 'Size: ' + fileSize;
      document.getElementById('fileType').innerHTML = 'Type: ' + file.type;
    }
  }

  function uploadFile() {
    var fd = new FormData();
    fd.append("file", document.getElementById('fileToUpload').files[0]);
    var xhr = new XMLHttpRequest();
    xhr.upload.addEventListener("progress", uploadProgress, false);
    xhr.addEventListener("load", uploadComplete, false);
    xhr.addEventListener("error", uploadFailed, false);
    xhr.addEventListener("abort", uploadCanceled, false);
    xhr.open("POST", "cgi-bin/upload.cgi");
    xhr.send(fd);
  }

  function uploadProgress(evt) {
    if (evt.lengthComputable) {
      var percentComplete = Math.round(evt.loaded * 100 / evt.total);
      document.getElementById('progressNumber').innerHTML = percentComplete.toString() + '%';
    }
    else {
      document.getElementById('progressNumber').innerHTML = 'unable to compute';
    }
  }

  function uploadComplete(evt) {
    /* This event is raised when the server send back a response */
    alert(evt.target.responseText);
  }

  function uploadFailed(evt) {
    alert("There was an error attempting to upload the file.");
  }

  function uploadCanceled(evt) {
    alert("The upload has been canceled by the user or the browser dropped the connection.");
  }
</script>

</html>